Radial connecting rod



April 14, 1931. H. o. EIANE Y RADIAL CONNECTING ROD Filed Feb. 1, 1930 t irl? m INVENTOR.

Patented Apr. 14, 1931 HALVOR OLSEN EIALNE, OF WASHINGTON ISLAND, WISCONSIN RADIAL CONNECTING ROD Application filed February 1, 1930. Serial No. 425,266.

My invention relates to improvements in radial connecting rods for use in engines with radially disposed cylinders, and consists of a master connecting rod and a plurality of articulating rods which in principle bear strong resemblance to my earlier applicationfor patent on a similar invention, filed December 31, 1928, Serial Number 329,395.

The object of my present invention is to provide a stronger and more rigid joining method between the upper and lower halves of the crank-pin bearing, by the use of fixed overlapping extensions in the two circumferential ridges of said bearing.

I attain this object by the use of an invention hereinafter more fully described and claimed having reference to the accompanying drawings in which Figure 1, represents a front view of the complete assembly. Figure 2, is a front View of the master connecting rod which carries the upper half of the crank-pin bearing. Figure 3, is a front view of the lower half of the crank-pin bearing.

'25 Figure 4, represents a bottom view of the upper half of the crank-pin bearing, showing oil grooves and oil ducts.

Figure 5, represents a side view of the master connecting rod, with the lower half of the crank-pin bearing in its place. Figure 6, shows the flat side of a lock washer. Figure 7 represents a side view of an articulate bolt with its cap-screw removed from H .7 its place.

Figure 8, shows the method of securing a cap-screw against turning, after being scewed into the end of an articulate bolt, by means of a lock-washer.

A, in Figure 1, is the master connecting rod. 2, 2, are the circumferential ridges. 3, 3, are the overlapping extensions in the upper sections of the circumferential ridges 2, 2, and 4, 4, are the overlapping extensions in the lower sections of the circumferential ridges 2, 2.

5 and 6, are the upper and lower halves of the crank-pin bearing respectively. The upper part of the master connecting rod A as represented in Figure 2, is one single integral forged piece; and the lower part as represented in Figure 3, is also one single integral forged piece with the exception of the customary Babbitt lining in the crank-pin bearing.

The articulating rods 7, 7 which are alike in both ends, are movably joined to the master connecting rod A, by the articulating bolts 8, 8, which pass through the holes 9, 9,

- in the two circumferential ridges 2, 2. The

upper half 5, and the lower half 6, of the crank-pin bearing are held together: first, and chiefly by the articulating bolts 8, 8, passing through the holes 9, 9, located in the overlapping extentions 3, 3, and 4, 4, of the circumferential ridges 2, 2; secondly, by the reinforcing bolts 10, 10, which pass through the holes 11, 11, also located inside the area of the overlapping extentions 3, 3, and 4, 4, of the circumferential ridges 2, 2. (Shown more clearly in Figure 5, where shading of the circumferential ridges 2, 2, have been omitted for this purpose.)

The articulating bolts 8, 8, are held rigidly in the holes 9, 9, by the dowelpins 12, (shown in Figure 7) which fit into notches 13, 13, in the holes 9, 9. Thearticulating bolts 8, 8, are bored out hollow, so as to make them light in weight, and'threaded in the ends opposite to their heads for reception of the cap screws 14, 14. A lock-washer 15, provided with a segmental notch 16, which conform to the contour of the crankpin bearing on its outside is placed under the head of each cap-screw 14, and turned up at right angles along dotted lines 17, 17, which correspond to the hexagon heads of the capscrews 14, 14.

Provision for a force-feed lubricating sys tem have been made: 7 i

Under the supposition that oil is delivered under pressure from an oil duct, or passage, ina crank-pin; it flows first into the annular groove 18 thence through the communicating grooves 19, 19, and into the annular grooves 20, 20, where the oil is forced into the ducts 21, 21, which are drilled out in the form of a letter T, between the holes 9, 9, and preferablymade oval-shaped on their inside so as notto weaken the walls of I e uppe mid'lai r rh i v sa LQm k-P the cireiirriferential ridges 2,;2; mere then necessary.

The ducts 21, gljc'orrespend with the (11.10199 22, 22,:inthe articulating belts 8 -8; Where the oil is delivered at-235 to-tlie,a rticulsting rbdsi75k7 (indicated by dotted lines in' Fig 'ure' 7,) -,Whenc e. the, oil-flow'sthrough the duets egg-" indic ted y dotted lines in V V ;.th se ,g ven rabqve; iriayfloe required foren; gineswith difi'erentgnumher efcylinders, {and with an Qll'dllCl3'25, direct freni'the alri nl lar Figurel) fer lubrication f wristpins in present inventib'fil) The master connecting pistons, (which is 'qiitside the li rii't of my rod iil, is preirided groove 18.

"Variation in details ef arrangement from p do not intend to @liinit y intention. to

' the exactdescription anddrawings as herein given, zis-mariyehanges can be iiiadewitheut 'Hdyingthiisdescribie'd my invention What Ifeleiih'. its 'neW' and desire to secure Let Qiiitsj holes through said g e ircl rirfererItisilv I ridgesandcjverlapping split -jbi nts forinsef- 1 tioii of, bolts 150,11llfiltfi aloly attaching said ertiiiilatingjr j i pa a y bld g aid ha ves of 'said'cr l kpin. 1

. upper and lewer bear ngge her,V".i J *2 .A radi hearing}; af pair [.ef circumferential-I rid'ges of said crank-phi hearing, aind their ed ges .stantially as shown and described; V

7 42.1111 a radial: connecting "rod assembly turned up tolbear against the hexagon heads of said' cap-screws for locking purpose sub compri'sing a master connecting" rod with Q split 'erank pin-bearing, a; pair- 9f cireumg ferential ridges" With; overleppirigfjoints,

ti'culating rods in combination/with a suit- 5 able fere-feed lilbi'i iitiiigsystem lI1 -Wl1l0l1 theeilipass ages through'sai'd circiin ferential ridgeszire made diametrically oyalse as g te' presentthil brOad sides to the fiat sides Y 7 ofisaid ridges in Order" to reducetq minimum: he-weake g; e tt; o s i 91 pastialfridges, v Signed fat '-WaShingt0nV sages n" the strengthi Of; saifds ci ljeemferen V cdiintyf of Dee and State;0fj.Wise9ns1n -this 327th dayFoffJanuary,1930:

@FPBn d. mifl pinbearin f provided l e tentioris formi g'v-ioiefl ppingSp i Fi i eli heines c m ri a m f e t 111g; rod and a plurality of articulating rods;

sai es eruconn cting rod having a. split 5 A cra k n l bearing: jot;- up er end lower halves; alpairv'ef cirgumferentialridgespre u Yjdediwithextensiops formingoverlapping: jlgIlIJilJ',341321157111 said ridges holesi withinusaidf V Y' I QPP H ,J nt-ar as;fo ain ertiongofy I a he s wtda ptecl 1t0i$IVe-as ;connectionsk ferf' V "s 1d ;a t ii ing rods nd o hare with re iiifdreing bolts the purpese of holdifig'fsaid Briefing 1 ogether, and; suitable; mm p mpr n mast rj i9 n c n i split-Eran f-pin bearirig and e pair f e11 I im i n ial d wi v flappm --1 nt;$,42 plii rility f ef'fertieulajtingreds mo m oined to Sam-masts; Cbii'necting; rod-Qby 'cujmferentiz l ridges, andsaid belts threaded andfitted withcap-serews' and leek-Washers I at: theoppos'ite' nds of their. heads, said-lock W@ li61t provided; f'vsz'ith 21 segmental netch l I adapted, 71951 6341! agei'nStt-he'eircular slirfaee i t the,

HALVOR LSElYE lW n ey ztble connections with a plurality of ar- 

